FIELD: oil and gas extractive industry.
SUBSTANCE: method includes inputting working environment under pressure along thermo-isolated pipeline into oil-bearing bed and extracting oil to the surface through inputting pipeline. As working environment easily-boiling liquid is used. It is fed along force thermo-isolated pipeline with reduction assembly and sprayer at end. Easily-boiling liquid is fed under pressure, enough for dispersing easily-boiling liquid on smallest drops and forming a foam of bubbles of easily-boiling liquid and oil from bed. It is fed into inputting pipeline placed coaxially outside force pipeline. Mixture of steam of easily-boiling liquid and oil is extracted to surface. Mixture is separated, oil is gathered, and steam of liquid is condensed for repeated use in well.
EFFECT: higher efficiency.
1 dwg
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